Aiwa CX-NMT50 User Manual

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For assistance and information

 

call toll free I-800-BUY-AIWA

\

(United States and Puerto Rico)

)

87-NFT-910-01

ili?i!i

970327 BKY-U-0

DIGITAL AUDIO

/7/ l“’s”o:”w%”oc”l/!_L1 I

“CAUTION:TO REDUCE THE RISK OF

ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLEPARTS INSIDE.

REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL.”

NOTE

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules, These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more ofthe following measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

CAUTION

Modifications or adjustments to this, product, which are not expressly approved by the manufacturer, may void the user’s right or authority to operate this product.

PRECAUTIONS

Read the Operating Instructions carefully and completely before operating the unit. Be sure to keep the Operating Instructions for future reference. All warnings and cautions in the Operating Instructions and on the unit should be strictly followed, as well as the safety suggestions below.

Installation

1Water and moisture — Do not use this unit near water, such as near a bathtub, washbowl, swimming pool, or the like.

2Heat — Do not use this unit near sources of heat, including heating vents, stoves, or other appliances that generate heat. It also should not be placed in temperatures less than 5°C (41“F)or greater than 35°C (95”F).

3Mounting surface — Place the unit on a flat, even surface.

4Ventilation — The unit should be situated with adequate space around it so that proper heat ventilation is assured. Allow 10 cm (4 in.) clearance from the rear and the top of the unit, and 5 cm (2 in.) from each side.

-Do not place the unit on a bed, rug, or similar surface that may block the ventilation openings.

-Do not install the unit in a bookcase, cabinet, or airtight rack where ventilation may be impeded.

5Objects and liquid entry — Take care that objects or liquids do not get inside the unit through the ventilation openings.

6Carts and stands — When placed or mounted on a stand or cart, the unit should be moved with care.

Quick stops, excessive force,

m

1

and uneven surfaces may cause

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the unit or cart to overturn or fall.

 

 

7Condensation — Moisture may form on the CD pickup lens when:

-The unit is moved from a cold spot to a warm spot

-The heating system has just been turned on

-The unit is used in a very humid room

-The unit is cooled by an air conditioner

When this unit has condensation inside, it may not function normally. Should this occur, leave the unit for a few hours, then try to operate again.

8Wall or ceiling mounting —Theunit should not be mounted on a wall or ceiling, unless specified in the Operating Instructions.

Electric PoweI

1Power soulrces — Connect this unit only to power sources specified in the Operating Instructions, and as marked on the unit.

2Polarization — As a safety feature, some units are equipped with polarized AC power plugs which can only be inserted one way into a power outlet. If it is difficult or impossible to insert the AC power plug into an outlet, turn the plug over and try again. If it still does not easily insert into the outlet, please call a qualified service technician toservice or replace the outlet. To avoid defeating the safety feature .of the polarized plug, do not force it into a power outlet.

3AC power cord

-When disconnecting the AC power cord, pull it out by the AC power plug. Do not pulll the cord itself.

-Never handle the AC power plug with wet hands, as this could result in fire or shock.

-Power cords should be firmly secured to avoid being severely bent, pinched, or walked upon. Pay particular attention to the cord from the unit to the power socket.

-Avoid overloading AC power plugs and extension cords beyond their capacity, as this could result in fire or shock.

1 ENGLISH

4 Extension cord — To help prevent electric shock, do not use a polarized AC power plug with an extension cord, receptacle, or other outlet unless the polarized plug can be completely inserted to prevent exposure of the blades of the plug,

5When not in use — Un~luu the AC Dower cord from the AC power plug if the unit wi’11n& be used for several months or more. When the cord is plugged in, a small amount of current continues to flow to the unit, even when the power is turned off

Outdoor Antenna

1 Power lines — When connecting an outdoor antenna, make sure it is located away from power lines.

2Outdoor antenna grounding — Be sure the antenna system is properly grounded to provide protection against unexpected voltage surges or static electricity build-up.Article 810 of the Natiwnal Electrical Code, AN S1/NFPA70, provides information on proper grounding of the mast, supporting structure, and thelead-inwire to the antenna discharge unit, as well as the size clfthe grounding unit, connection to grounding terminals, and requirements for grounding terminals themselves.

Antenna Grounding According to the National Electrical Code

D

ANTENNA LEAD IN WIRE

~

/

:

ANTENNA DISCHARGE UNIT

(NEC SECTION 810-20)

f

L. ELECTRIC SERVICE

EQUIPMENT

GROUNDIN13 CONDUCTORS (NEC SECTION 810-21)

GROUND CLAMPS

~ POWER SERVICE GROUNDING ELECTRODE SYSTEM

(NEC ART 250 PART H)

NEC-NATIONALELECTRICAL CODE

Maint6!nance

Clean the unit only as recommended in the Operating Instructions.

Darnaqe Recwirina Service

Have the units serviced by a qualified service technician if:

-The AC power cord or plug has been damaged

-Foreign objects or liquid have gotten inside the unit

-The unit has been exposed to rain or water

-The unit does not seem to operate normally

-The unit exhibits a marked change in performance

-The unit has been dropped, or the cabinet has been damaged DO NOT ATTEMPT TO SERVICE THE UNIT YOURSELF.

TABLE

OF CONTENTS

 

 

 

Precautions

 

.........m.......................................................i

 

 

l

 

PREPARATIONS

 

 

 

 

 

 

SETTING

UP .......................................................................

 

 

 

 

3

 

REMOTE CONTROL ...................................................

 

 

m.......

5

 

BEFORE OPERATION

........................................................

 

 

6I

SOUND

 

 

 

 

 

 

 

 

 

AUDIO ADJUSTMENTS

....................................................

 

 

 

 

GRAPHIC

EQUALIZER

....................

m.................

m..............

 

 

DSP SURROUND SYSTEM

...............................................

 

7

 

RADIO

RECEPTION

 

 

 

 

 

MANUAL

TUNING .................................................

 

 

s.............

8

 

PRESETTING STATIONS ...................................................

 

 

8I

CD PLAYING

 

 

 

 

 

 

 

BASIC OPERATIONS ........................................................

 

 

 

9

 

PROGRAMMED

PLAY

.....................................................

 

 

ICI

 

TAPE

PLAYBACK

 

 

 

 

 

BASIC OPERATIONS ..................

 

m..................

m..............

mm.ll

CONTINUOUS

PLAY .......................................................

 

 

 

12!

RECORDING

 

 

 

 

 

——-

 

 

 

 

 

 

 

 

 

BASIC RECORDING ........................................................

 

 

 

1:)

DUBBING A TAPE MANUALLY ......................................

 

14

 

DUBBING THE WHOLE TAPE ........................................

 

14

 

Al EDIT RECORDING ......................................................

 

 

 

15

[m

PROGRAMMED

EDIT RECORDING ...............................

 

16

 

DOLBY

PRO

LOGIC

 

 

 

 

 

ADJUSTING

SPEAKER

LEVEL BALANCE ...................

 

17

 

PLAY WITH DOLBY PRO LOGIC ...................................

 

18

 

KARAOKE

 

 

 

 

 

 

 

 

MICROPHONE

MIXING

. . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . ..r

19

KARAOKE

 

PROGRAM

....................................................

 

 

20

 

CLOCK

AND

TIMER

 

 

 

 

 

SETTING THE CLOCK .m.................................................

 

 

2“1

SETTING THE TIMER ......................................................

 

 

 

2“1

SETTING THE SLEEP TIMER .........................................

 

22

 

OTHER

CONNECTIONS

 

 

 

 

 

CONNECTING

OPTiONAL

EQUIPMENT .....................

 

2:3

LISTENING

TO EXTERNAL

SOURCES .........................

 

2:3

GENERAL

 

 

 

 

 

 

 

 

CARE AND MAINTENANCE

...........................................

 

24

 

TROUBLESHOOTING

GUIDE .........................................

 

24

 

SPECIFICATIONS .........................

 

m..................................

 

2!5

PARTS INDEX ...................................................

 

 

 

Back cover

 

SETTING UP

The Dolby Pro Logic system which is the biggest feature of this stereo system provides you with multi channel sound in your home,

Complete setting and connection of the main unit, supplied speakers, your TV and video equipment accc)rding to the following procedure.

POSITIONING THE SPEAKERS

To achieve the optimum effects obtainable with the Do[by Pro Logic system, it is important to position the speakers properly. Refer to the following illustration to find out the best location in your room.

I

6)

O CX-NMT50Compact disc stereo cassette receiver @SX-NA54Front speakers

TS-~35

(NSX-MT55only)1

SX-R21O

SX-C400

Surround speakers

Center speaker

Remote control

AM antenna

FM antenna

Operating Instructions, etc.

:

11111, ,%

D

n

*TS-W35(NSX-MT55only)

(A connecting cord and Ope;ating Instructions are included.)

‘Optional TSW35 powerd sub woofer is available with the NSX-MT50.

Owner’s record

For your convenience, record the model number and serial number (you will find them on the rear of ycur set) in the space provided below. Please refer to them when you contact your Aiwa dealer in case of difficulty.

/

Model No.

I Serial Nc. (Lot No.)

1

 

CX-NMT50

 

 

 

SX-NA54

 

 

/

SX-C400

I

‘1

I

SX-R210

I

I

 

TS-W35(NSX-MT55only)

 

 

@Front speakers

@Center speaker

Position in the center of the two front speakers. In addition, position on or below the TV set, if connecting a TV set to the unit.

@Surround speakers

Place the surround speakers directly to the side of or slightly behind the listening area. Align them horizontally, about 1 meter (3.2 feet) above ear height.

No sound is heard from the center and surround speakers when the Dolby Pro Logic and SURROUND are set to off,

The center speaker sounds only when the Dolby Pro Logic is set to on.

CONNECTIONS

Before connecting the AC cord

The rated voltage of your unit shown on the rear panel is 120 V AC. Check that the rated voltage matches your local voltage,

IMPORTANT

Connect the speakers, antennas, and all optional equipment first. Then connect the AC cord in the end.

3 ENGLISH

 

 

4= Center speaker

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Television

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Frcmt soeaker

 

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AC cord

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Speaker cord

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1 Connectt

hesupplieda

ntennas.

3 Connect

thesurround

 

speakers.

Contlect

the FM antenna

to the FM 75 Q terminals and the

Connect

 

the

surround

speaker cords to the SURROUND m

AM antenna to the AM LOOP terminal,

SPEAKERS

4 terminals.

 

 

 

 

There is no difference between the surround speakers, Both

 

 

 

speakers can be connected as R (right) or L (left).

4 Connect the center speaker.

Connect the center speaker cord to the CENTER SPEAKER d terminal.

2 Cormect the front speakers.

Connect the speaker with R mark to SPEAKERS R terminals, and the speaker with L mark to SPEAKERS L terminals.

5 Connect the video equipment.

Connect the VIDEO/AUX jack of this unit to the audio output jack of the video equipment with an optional audio connecting cord,

6 Connect the Television to the video equipment.

Refer to the Operating Instructions of the connected equipment for details.

7 Connect the AC cord to an AC outlet.

The cords with white stripes should be connected to the 0 terminals and the other cords to the O terminals.

ENGLISH 4

To stand the AM antenna on a surface

Fix the claw to the slot.

To position the antennas

FM feeder antenna:

Extend this antenna horizontally in a T-shapeand fix its ends to the wall.

AM loop antenna:

Position for the best reception.

m

Be sure to connect the speaker cords correctly. Improper connections can cause short circuits in the SPEAKERS terminals.

Do not leave objects generating magnetism near the speakers.

Do not bring the FM antenna near metal objects or curtain rails.

Do not bring the AM antenna near other optional equipment, the stereo system itself, the AC cord or speaker cords, since noise will be picked up.

Do not unwind the AM antenna wire.

To mount the surround speakers on the wall Mount each speaker on a s~ot that can hold its weight.

m

Sound is not heard from the surround speakers when the SURROUND is set to off.

To connect the supplied TS-W35(only forNSX-MT55)Connect the SUPER WOOFER jack on the main unit to the INPUT jack on theTS-W35with the supplied connecting cord.

Refer to the Operating Instructions in detail.

CONNECTING AN OUTDOOR ANTENNA

For better FM reception, use of an outdoor antenna is recommended.

Connect the outdoor antenna to the FM 75 Q terminals.

To connect other optional equipment+ page 23.

REMOTE CONTROL

Inserting batteries

Detach the battery cover on the rear of the remote control and insert two R6 (size AA) batteries.

R6;AA)

When to replace the batteries

The maximum operational distance between the remote control and the sensor on the main unit should be approximately 5 meters (16 feet). When this distance decreases, replace the batteries with new ones.

Using the remote control

The instructions in this manual refer mainly to the buttons on the main unit. Buttons on the remote control with the same names as those on the main unit can be used as well.

m

If the unit is not going to be used for an extended period of time, remove the batteries to prevent possible electrolyte leakage.

The remote control may not operate correctly when:

-The line of sight between the remote control and the remote sensor inside the display window is exposed to intense light, such as direct sunlight

-Other remote controls are used nearby (those of a television, etc.)

5 ENGLISH

BEFORE OPERATION

AUDIO ADJUSTMENTS

CD

DEMO

To turn the unit on

Press one of the function buttons (TAPE, TUNER, VIDEO/AUX, CD, ME)).

Playback of the inserted disc or tape begins, or the previously tuned station is received (Direct Play Function).

The PCWVERbutton is also available.

When tile unit is turned on, the disc compartment may open and close to reset the unit.

DEMO (Demonstration) mode

When the AC cord is connected, the display window demonstrates the functions of the unit. When the power is turned on, the IDEMO display is overridden by the operation display. When the power is turned off, the DEMO mode is restored.

Tci cancel DEMO mode

Press i,he DEMO button. The clock display appears. (To set the current time, see “SETTINGTHE CLOCK on page 21.) Tore-a.ctivatethe DEMO mode, press the DEMO button again.

Illumination guides

Whenewr the AC cord is connected or one of the function buttons is pressed, the buttons for that operation light up or flash. Examp!e: When the AC cord is connected, the II SET button flashes as a guide to setting the current time.

Flash window

The window on the top of the unit lights up or flashes while the unit is being powered on.

To turn off the light of the top window, press the button while pressin~l the CD button. To turn back on, repeat the above.

To turn the unit off

Press the POWER button

VOLUME

Turn the VOLUME control on the main unit, or press the VOLUME buttons on the remote control.

The volume level is displayed as a number from Oto MAX (31). The volume level is automatically set to 16 when the power is turned off with the volume level set to 17 or more.

To change the Ieftiright balance

Press the MANUAL SELECT button on the remote control. L/Fl is displayed for 2 seconds. Press the 1+4 DOWN or FDI up button on the remote control within these 2 seconds.

The DOLBY PRO LOGIC front speakers level is also changed. (See page 17)

BBE SYSTEM

The BBE system enhances the clarity of high-frequencysound It also enriches the Karaoke function to make your voice souncl clear and pleasant.

Press the BBE button.

Each time it is pressed, the level changes. Select one c)f the three levels, or the off position to suit your preference.

SUPER T-BASSSYSTEM

The T-BASSsystem enhances the realism ofIow-frequent!/sound.

Press the T-BASSbutton.

Each time it is pressed, the level changes. Select one of the three levels, or the off position to suit your preference.

m

Low frequency sound may be distorted when the T-BASSsystem is used for a disc or tape in which low frequency sound is originally emphasized. In this case, cancel theT-BASSsystem.

ENGLISH 6

GRAPHIC EQUALIZER

..

..

.. r-

1~’—–--=

GEQ

GEQ

This unit provides the following three different equalization curves. ROCK: Powerful sound emphasizing treble and bass

POP: More presence in the vocals and midrange CLASSIC: Enriched sound with heavy bass and fine treble

Press one of the GEQ buttons.

ROCIK/ POP / CLASSIC

To cancel the selected mode

Press the selected button again. “GEQOFF is displayed,

To select with the remote control

Press the GEQ button repeatedly. The GEQ mode is displayed cyclically as follows.

r

ROCK— POP—

CLASSIC— GEQ OFF

 

(cancel) 1

Using the headphones

Connect headphones to the PHONES jack with a stereo standard plug (a6.3 mm, ‘/4 inch),

No sound is output from the speakers while the headphones are plugged in.

When the headphones are plugged in, the SURROUND system and the DOLBY PRO LOGIC are canceled.

Sound adjustment during recording

The output volume and tone (except BBE) of the speakers or headphones may be freely varied without affecting the level of the recording.

When playing back a tape recorded with BBE, it is recommended that BBE be set to off to avoid distorted high frequency sound.

7 ENGLISH

DSP SURROUND SYSTEM

SURROUND

——=====+

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ac2c2c2

>.-.g?gg .--MANUAL

,... -..;~Q QQSELECT ‘2- r--

The DSP (Digital Signal Processor) surround system can recreate the effect of sounds reflected from walls or ceilings. This system enhances 3 m of sound presence.

DISCO: Sound presence of a disco

LIVE: Sound presence of a live music performance HALL: Sound presence of a concert hall

Press one of the SURROUND buttons.

DISCO / LIVE/ HALL

Equalization curves are selected automatically to match the SURROUND modes and can also be selected or turned off to suit your preference.

To select with the remote control

Press the SURROUND button repeatedly. The SURROUND mode is displayed cyclically as follows.

DISCO — LIVE — HALL — SUR OFF (cancel)

When the music source is monaural

Select LIVE to obtain a simulated stereo effect, When DISCO or HALL is selected, no sound will be heard from the surround speakers.

To cancel the selected mode

Press the selected button again. SUR OFF is displayed.

While SURROUND mode is off, no sound is heard from the surround speakers.

To adjust the volume of the surround speakers

Press the MANUAL SELECT button twice on the remote control. “SUR is displayed for 2 seconds. Press the - DOWN or UP

~button on the remote control within these 2 seconds.

The Dolby Pro Logic surround speakers level is also changed. (See page 17,)

m

The SURROUND mode is canceled when:

-the MIC or ECHO level is changed.

-the DOLBY PRO LOGIC is turned on.

-the headphones are plugged in.

MANIUAL TUNING

PRESETTING STATIONS

MONO

TUNER

1

2

CLEAR

1 Press the TUNER/BAND button repeatedly to seh?ct the desired band.

When the TUNER/BAND button is pressed while the power is off, the power is turned on directly.

2 Press the l++ DOWN or W UP button to select a station.

Each time the button is pressed, the frequency changes. When a station is received, “TUNE”is displayed for 2 seconds. During FM stereo reception, [il~l}] is displayed.

To search for a station quickly (Auto Search)

Keep the I-4-4DOWN or M UP button pressed until the tuner starts searching for a station. After tuning in to a station, the search stops.

To stop the Auto Search manually, press the M DOWN or

MU13button,

The Auto Search may not stop at stations with very weak signals.

When am FM stereo broadcast containsnoise

Press the MONO TUNER button on the remote control so that “MONC)”appears on the display.

Noise is reduced, although reception is monaural.

To restore stereo reception, press the MONO TUNER button so that MONO disappears.

To change the AM tuning interval

The default setting of the AM tuning interval is 10 kHz/step. If you use this unit in an area where the frequency allocation system is 9 kHz/step, change the tuning interval.

Press the POWER button while pressing the TUNER/BAND button.

To reset the interval, repeat this procedure.

ml

When the AM tuning interval is changed, all preset stations are cleared. The preset stations have to be set again.

The unit can store a total of 32 preset stations. (Each band has a maximum of 20 available preset stations. ) When a station is stored, a preset number is assigned to the station. Use the preset number to tune in to a preset station directly.

1 Press the TUNER/BAND button to select a band, andpress the l++ DOWN or BI UP button toselect a station.

2 Press the Ill SET button to store the station.

A station is assigned a preset number, beginning from 1 in consecutive order for each band.

Frequency

I

Preset number

3 Repeat steps 1 and 2.

Th; next station will not be stored if a total of 32 preset station!> for all the bands or a total of 20 preset stations for one band have already been stored.

PRESET NUMBER TUNING

Use the remote control to select the preset number directly.

1 Press the TIJNER/BAND button to select a band.

2 Press the numbered buttons to select a preset number.

Example:

To select preset number 20, press the +1O,+10 and Obuttons. To select preset number 15, press the +10 and 5 buttons.

Selecting a preset number on the main unit

Press the TUNER/BAND button to select a band. Then, press the 4> DIRECTION/PRESET button repeatedly.

Each time the button is pressed, the next ascending number is selected.

To clear a preset station

Select the preset number of the station to be cleared. Then, press the CLEAR button, and press the II SET button within ,4 seconds.

The preset numbers of all other stations in the band with higher numbers are also decreased by one.

ENGLISH 8

BASIC OPERATIONS

Press the CD button, then press the A OPEN/ CLOSE button to open the disc compartment. Load disc(s) with the label side up.

To play one or two discs, place the discs on tray 1 and 2.

To play three discs, press the DISC CHANGE button to rotate the trays after placing two discs. Place the third disc on tray 3. Close the disc compartment by pressing the 4 OPEN/CLOSE

Tray 1

Tray number of the

disc to be played Total playing time

Total number of tracks

PLAYING DISCS

Load discs.

To play all discs in the disc compartment, press the <F button.

Play begins with the disc on tray 1,

Elapsed playing time

Number of track being played

To play one disc only, press one of the DISC DIRECT PLAY buttons.

The selected disc is played once.

To play with the remote control

Press the DISC DIRECT PLAY button, then press one of the numbered buttons 1 to 3 within 3 seconds to select a disc.

To stop play, press the button.

To pause play, press the [I button.To resume play, press again. To searchfor a particular point during playback, keep the 44 or - button pressed and release the button at the desired point.

To skip to the beginning of a track during playback, press the + or > button repeatedly.

To remove discs, press the 4 OPEN/CLOSE button.

To start play when the power is off (Direct Play Function) Press the CD button. The power is turned on and play of the loaded disc(s) begins.

When the 4 OPEN/CLOSE button is pressed, the power is also turned on.

To check the remaining time

Press the CD EDIT/CHECK button during play. The amount of time remaining until all tracks finish playing is displayed. To restore the playing time display, repeat the above.

Selecting a track with the remote control

1Press the DISC DIRECT PLAY button, then press one of the numbered buttons 1 to 3 within 3 seconds to select a disc.

2Press the numbered buttons and the +1O button to select a track.

Example:

To select the 25th track, press the +1O, +10 and 5 buttons. To select the 10th track, press the +1O and O buttons.

The selected track starts to play and continues to the end of that disc.

Replacing discs during play

While one disc is playing, the other discs can be replaced without interrupting play.

1Press the DISC CHANGE button.

2Remove the discs and replace with other discs.

3Press the A OPEN/CLOSE button to close the disc compartment.

m

When loading an 8-cm(3-inch)disc, put it onto the inner circle of the tray.

Do not place more than one compact disc on one disc tray. “Do not tilt the unit with discs loaded. Doing so may cause

malfunctions.

9 ENGLISH